The net charge of 3 mol of protons is
a) 4.81×10 4 c .
b) 3.00 c
c) 4.81×10 −19 c
d) 2.89×10 5 c

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.